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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 11 |
| 2 | 682 |
| 3 | 51412 |
| 4 | 6304056 |
| 5 | 144762466 |
| 6 | 9435321777 |
| 7 | 988322434636 |
| 8 | 71294762793847 |
| 9 | 3138611770750343 |
| 10 | 283798117998769727 |
| 11 | 15409745938584647495 |
| 12 | 320007169218635518122 |
| 13 | 45443939732277600209579 |
| 14 | 207359227164430355867160 |
| 15 | 59053635973003478214807486 |
[0,11,682,51412,6304056,144762466,9435321777, 988322434636,71294762793847,3138611770750343, 283798117998769727,15409745938584647495, 320007169218635518122,45443939732277600209579, 207359227164430355867160, 59053635973003478214807486] |